The wireless communication link may include an infrared link, a radio link, an acoustic link, or an inductive link.
Changes in the reservoir as a result of operations in other adjacent wells are intercepted by the instruments in the well and transmitted via an acoustic link to the surface.
A microphone (26), disposed within the microphone retaining chamber has a first acoustic port (30) in an acoustic relationship with the first acoustic passage and a second acoustic port (32) in an acoustic relationship with the second acoustic passage.
It is in communication with the first via an acoustic and/or optical link.
Nicknamed the "liaison acoustique" (acoustic connection or link), this organizational instrument was originally used to convey military orders.
An acoustic connection between the inner and outer casings provides maximum low-frequency attenuation.
The receiver assembly is biased toward the ear, thereby acoustically coupling the receiver assembly reliably and snugly to the ear when the receiver assembly is at the position against the ear.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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